Sickness of Youth is...

1-4) Seishun no Yamai wa (The Sickness in Youth)
Successful businessman Minato is haunted by erotic memories of classmate Matsumoto and a series of embarrassing incidents from his senior high years. When Matsumoto reappears in his life as a new business associate, Minato's ordered life is turned upside down.

5-6) Tengoku ga Mieru (Viewing Heaven)
Former bodyguard Kudo (introduced in Negai Kanae Tamae) is harassed by a nosy thief while on a trip to Europe.

7. Good Night
   Minato encounters a helpful English-speaking driver when he becomes lost on an overseas business trip.